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[PATCH] aio: kill pointless ki_nbytes assignment in aio_setup_single_vector

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io_submit_one assigns ki_left = ki_nbytes = iocb->aio_nbytes, then calls
down to aio_setup_iocb, then to aio_setup_single_vector.  In there,
ki_nbytes is reassigned to the same value it got two call stack above it.
There is no need to do so.

Signed-off-by: Ken Chen <kenneth.w.chen@intel.com>
Acked-by: Zach Brown <zach.brown@oracle.com>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Chen, Kenneth W 2006-12-06 20:40:43 -08:00 committed by Linus Torvalds
parent 85916f8166
commit b62e8ec2ac
1 changed files with 0 additions and 1 deletions
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fs/aio.c
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@ -1413,7 +1413,6 @@ static ssize_t aio_setup_single_vector(struct kiocb *kiocb)
kiocb->ki_iovec->iov_len = kiocb->ki_left;
kiocb->ki_nr_segs = 1;
kiocb->ki_cur_seg = 0;
kiocb->ki_nbytes = kiocb->ki_left;
return 0;
}